Ruxolitinib works by blocking certain enzymes in the body that affect blood cell production. Ruxolitinib is used to treat myelofibrosis, a bone marrow disorder that affects your body's ability to produce blood cells. Ruxolitinib may also be used for purposes not listed in this medication guide.
Jakafi is a drug that is used to treat polycythemia vera which is a condition where bone marrow produces too many blood cells, especially red blood cells. Jakafiis meant for patients who have used a drug called hydroxyurea without any improvement. Jakafiworks by blocking the action of the enzymes responsible for the production of blood cells in the body.